This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

Step back in time on this preserved 1800s farm.

Mile-long cave system near Great Smoky Mountains.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

Roaming bison and a spectacular view at the highest point in Nebraska.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Eight feet in diameter and more than 24 feet around.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Millions of dollars worth of sculpture decorate this Iowa city center.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A lifetime's accumulation of bric-a-brac and kitsch.

A celebrity from the late Cretaceous period.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.